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https://hdl.handle.net/2440/75804
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Type: | Journal article |
Title: | Structural and morphological transformations of mesostructure titanium phosphate through hydrothermal treatment |
Author: | Wang, L. Yan, Z. Qiao, S. Lu, G. Huang, Y. |
Citation: | Journal of Colloid and Interface Science, 2007; 316(2):954-961 |
Publisher: | Academic Press Inc Elsevier Science |
Issue Date: | 2007 |
ISSN: | 0021-9797 1095-7103 |
Statement of Responsibility: | Lianzhou Wang, Zhimin Yan, Shizhang Qiao, G.Q. Max Lua, Yining Huang |
Abstract: | The phase transformation of mesostructured titanium phosphate (TiPO) from hexagonal to lamellar structure was observed in a simply hydrothermal treatment, accompanied by drastically morphological changes in the micrometer-sized particles. XRD pattern revealed that different mesostructures were obtained by simply varying hydrothermal temperature or treatment duration. SEM and TEM observations showed the morphological evolution from individual particles to interconnected nanoplatelets. A significant blue shift in UV-vis spectra was observed for lamellar mesostructured material, which may be associated with the different coordinated Ti-sites in the hexagonal and lamellar mesostructures. FT-IR spectra and detailed (31)P MAS NMR studies indicated that additional POH groups were presented in the lamellar structure, which might play a key role in the structural and morphological transformations of mesostructures. |
Keywords: | Mesostructure Titanium phosphate Phase transformation Hydrothermal treatment |
Rights: | © 2007 Elsevier Inc. All rights reserved. |
DOI: | 10.1016/j.jcis.2007.08.047 |
Published version: | http://dx.doi.org/10.1016/j.jcis.2007.08.047 |
Appears in Collections: | Aurora harvest Chemical Engineering publications |
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